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113211340 = 225112691913
BaseRepresentation
bin1101011111101…
…11011111001100
321220000201202121
412233313133030
5212440230330
615122302324
72543165134
oct657673714
9256021677
10113211340
11589a53a0
1231ab79a4
131a5bac78
141106dac4
159e1417a
hex6bf77cc

113211340 has 48 divisors (see below), whose sum is σ = 260457120. Its totient is φ = 40993280.

The previous prime is 113211323. The next prime is 113211341. The reversal of 113211340 is 43112311.

It is not an unprimeable number, because it can be changed into a prime (113211341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58224 + ... + 60136.

It is an arithmetic number, because the mean of its divisors is an integer number (5426190).

Almost surely, 2113211340 is an apocalyptic number.

113211340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113211340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130228560).

113211340 is an abundant number, since it is smaller than the sum of its proper divisors (147245780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113211340 is a wasteful number, since it uses less digits than its factorization.

113211340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202 (or 2200 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 113211340 is about 10640.0817666031. The cubic root of 113211340 is about 483.7600237848.

Adding to 113211340 its reverse (43112311), we get a palindrome (156323651).

The spelling of 113211340 in words is "one hundred thirteen million, two hundred eleven thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 269 538 1076 1345 1913 2690 2959 3826 5380 5918 7652 9565 11836 14795 19130 21043 29590 38260 42086 59180 84172 105215 210430 420860 514597 1029194 2058388 2572985 5145970 5660567 10291940 11321134 22642268 28302835 56605670 113211340